1 // SPDX-License-Identifier: GPL-2.0-only
3 * vivid-vid-out.c - video output support functions.
5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/sched.h>
11 #include <linux/videodev2.h>
12 #include <linux/v4l2-dv-timings.h>
13 #include <media/v4l2-common.h>
14 #include <media/v4l2-event.h>
15 #include <media/v4l2-dv-timings.h>
16 #include <media/v4l2-rect.h>
18 #include "vivid-core.h"
19 #include "vivid-vid-common.h"
20 #include "vivid-kthread-out.h"
21 #include "vivid-vid-out.h"
23 static int vid_out_queue_setup(struct vb2_queue *vq,
24 unsigned *nbuffers, unsigned *nplanes,
25 unsigned sizes[], struct device *alloc_devs[])
27 struct vivid_dev *dev = vb2_get_drv_priv(vq);
28 const struct vivid_fmt *vfmt = dev->fmt_out;
29 unsigned planes = vfmt->buffers;
30 unsigned h = dev->fmt_out_rect.height;
31 unsigned int size = dev->bytesperline_out[0] * h + vfmt->data_offset[0];
34 for (p = vfmt->buffers; p < vfmt->planes; p++)
35 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p] +
38 if (dev->field_out == V4L2_FIELD_ALTERNATE) {
40 * You cannot use write() with FIELD_ALTERNATE since the field
41 * information (TOP/BOTTOM) cannot be passed to the kernel.
43 if (vb2_fileio_is_active(vq))
47 if (dev->queue_setup_error) {
49 * Error injection: test what happens if queue_setup() returns
52 dev->queue_setup_error = false;
58 * Check if the number of requested planes match
59 * the number of planes in the current format. You can't mix that.
61 if (*nplanes != planes)
65 for (p = 1; p < planes; p++) {
66 if (sizes[p] < dev->bytesperline_out[p] * h +
71 for (p = 0; p < planes; p++)
72 sizes[p] = p ? dev->bytesperline_out[p] * h +
73 vfmt->data_offset[p] : size;
76 if (vq->num_buffers + *nbuffers < 2)
77 *nbuffers = 2 - vq->num_buffers;
81 dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
82 for (p = 0; p < planes; p++)
83 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
87 static int vid_out_buf_out_validate(struct vb2_buffer *vb)
89 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
90 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
92 dprintk(dev, 1, "%s\n", __func__);
94 if (dev->field_out != V4L2_FIELD_ALTERNATE)
95 vbuf->field = dev->field_out;
96 else if (vbuf->field != V4L2_FIELD_TOP &&
97 vbuf->field != V4L2_FIELD_BOTTOM)
102 static int vid_out_buf_prepare(struct vb2_buffer *vb)
104 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
105 const struct vivid_fmt *vfmt = dev->fmt_out;
106 unsigned int planes = vfmt->buffers;
107 unsigned int h = dev->fmt_out_rect.height;
108 unsigned int size = dev->bytesperline_out[0] * h;
111 for (p = vfmt->buffers; p < vfmt->planes; p++)
112 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
114 dprintk(dev, 1, "%s\n", __func__);
116 if (WARN_ON(NULL == dev->fmt_out))
119 if (dev->buf_prepare_error) {
121 * Error injection: test what happens if buf_prepare() returns
124 dev->buf_prepare_error = false;
128 for (p = 0; p < planes; p++) {
130 size = dev->bytesperline_out[p] * h;
131 size += vb->planes[p].data_offset;
133 if (vb2_get_plane_payload(vb, p) < size) {
134 dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %u)\n",
135 __func__, p, vb2_get_plane_payload(vb, p), size);
143 static void vid_out_buf_queue(struct vb2_buffer *vb)
145 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
146 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
147 struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
149 dprintk(dev, 1, "%s\n", __func__);
151 spin_lock(&dev->slock);
152 list_add_tail(&buf->list, &dev->vid_out_active);
153 spin_unlock(&dev->slock);
156 static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count)
158 struct vivid_dev *dev = vb2_get_drv_priv(vq);
161 if (vb2_is_streaming(&dev->vb_vid_cap_q))
162 dev->can_loop_video = vivid_vid_can_loop(dev);
164 dev->vid_out_seq_count = 0;
165 dprintk(dev, 1, "%s\n", __func__);
166 if (dev->start_streaming_error) {
167 dev->start_streaming_error = false;
170 err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming);
173 struct vivid_buffer *buf, *tmp;
175 list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) {
176 list_del(&buf->list);
177 vb2_buffer_done(&buf->vb.vb2_buf,
178 VB2_BUF_STATE_QUEUED);
184 /* abort streaming and wait for last buffer */
185 static void vid_out_stop_streaming(struct vb2_queue *vq)
187 struct vivid_dev *dev = vb2_get_drv_priv(vq);
189 dprintk(dev, 1, "%s\n", __func__);
190 vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
191 dev->can_loop_video = false;
194 static void vid_out_buf_request_complete(struct vb2_buffer *vb)
196 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
198 v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_vid_out);
201 const struct vb2_ops vivid_vid_out_qops = {
202 .queue_setup = vid_out_queue_setup,
203 .buf_out_validate = vid_out_buf_out_validate,
204 .buf_prepare = vid_out_buf_prepare,
205 .buf_queue = vid_out_buf_queue,
206 .start_streaming = vid_out_start_streaming,
207 .stop_streaming = vid_out_stop_streaming,
208 .buf_request_complete = vid_out_buf_request_complete,
209 .wait_prepare = vb2_ops_wait_prepare,
210 .wait_finish = vb2_ops_wait_finish,
214 * Called whenever the format has to be reset which can occur when
215 * changing outputs, standard, timings, etc.
217 void vivid_update_format_out(struct vivid_dev *dev)
219 struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
223 switch (dev->output_type[dev->output]) {
226 dev->field_out = dev->tv_field_out;
227 dev->sink_rect.width = 720;
228 if (dev->std_out & V4L2_STD_525_60) {
229 dev->sink_rect.height = 480;
230 dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
231 dev->service_set_out = V4L2_SLICED_CAPTION_525;
233 dev->sink_rect.height = 576;
234 dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
235 dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
237 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
240 dev->sink_rect.width = bt->width;
241 dev->sink_rect.height = bt->height;
242 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
244 if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS))
245 pixelclock = div_u64(bt->pixelclock * 1000, 1001);
247 pixelclock = bt->pixelclock;
249 dev->timeperframe_vid_out = (struct v4l2_fract) {
250 size / 100, (u32)pixelclock / 100
253 dev->field_out = V4L2_FIELD_ALTERNATE;
255 dev->field_out = V4L2_FIELD_NONE;
256 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
257 if (bt->width == 720 && bt->height <= 576)
258 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
260 dev->colorspace_out = V4L2_COLORSPACE_REC709;
262 dev->colorspace_out = V4L2_COLORSPACE_SRGB;
266 dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
267 dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
268 dev->hsv_enc_out = V4L2_HSV_ENC_180;
269 dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
270 dev->compose_out = dev->sink_rect;
271 dev->compose_bounds_out = dev->sink_rect;
272 dev->crop_out = dev->compose_out;
273 if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
274 dev->crop_out.height /= 2;
275 dev->fmt_out_rect = dev->crop_out;
276 for (p = 0; p < dev->fmt_out->planes; p++)
277 dev->bytesperline_out[p] =
278 (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
281 /* Map the field to something that is valid for the current output */
282 static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
284 if (vivid_is_svid_out(dev)) {
286 case V4L2_FIELD_INTERLACED_TB:
287 case V4L2_FIELD_INTERLACED_BT:
288 case V4L2_FIELD_SEQ_TB:
289 case V4L2_FIELD_SEQ_BT:
290 case V4L2_FIELD_ALTERNATE:
292 case V4L2_FIELD_INTERLACED:
294 return V4L2_FIELD_INTERLACED;
297 if (vivid_is_hdmi_out(dev))
298 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
300 return V4L2_FIELD_NONE;
303 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
305 if (vivid_is_svid_out(dev))
306 return (dev->std_out & V4L2_STD_525_60) ?
307 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
309 if (vivid_is_hdmi_out(dev) &&
310 dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
311 return dev->sink_rect.height == 480 ?
312 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
314 return TPG_PIXEL_ASPECT_SQUARE;
317 int vivid_g_fmt_vid_out(struct file *file, void *priv,
318 struct v4l2_format *f)
320 struct vivid_dev *dev = video_drvdata(file);
321 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
322 const struct vivid_fmt *fmt = dev->fmt_out;
325 mp->width = dev->fmt_out_rect.width;
326 mp->height = dev->fmt_out_rect.height;
327 mp->field = dev->field_out;
328 mp->pixelformat = fmt->fourcc;
329 mp->colorspace = dev->colorspace_out;
330 mp->xfer_func = dev->xfer_func_out;
331 mp->ycbcr_enc = dev->ycbcr_enc_out;
332 mp->quantization = dev->quantization_out;
333 mp->num_planes = fmt->buffers;
334 for (p = 0; p < mp->num_planes; p++) {
335 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
336 mp->plane_fmt[p].sizeimage =
337 mp->plane_fmt[p].bytesperline * mp->height +
340 for (p = fmt->buffers; p < fmt->planes; p++) {
341 unsigned stride = dev->bytesperline_out[p];
343 mp->plane_fmt[0].sizeimage +=
344 (stride * mp->height) / fmt->vdownsampling[p];
349 int vivid_try_fmt_vid_out(struct file *file, void *priv,
350 struct v4l2_format *f)
352 struct vivid_dev *dev = video_drvdata(file);
353 struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
354 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
355 struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
356 const struct vivid_fmt *fmt;
357 unsigned bytesperline, max_bpl;
362 fmt = vivid_get_format(dev, mp->pixelformat);
364 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
366 mp->pixelformat = V4L2_PIX_FMT_YUYV;
367 fmt = vivid_get_format(dev, mp->pixelformat);
370 mp->field = vivid_field_out(dev, mp->field);
371 if (vivid_is_svid_out(dev)) {
373 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
375 w = dev->sink_rect.width;
376 h = dev->sink_rect.height;
378 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
380 if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
382 mp->height = h / factor;
384 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
386 v4l2_rect_set_min_size(&r, &vivid_min_rect);
387 v4l2_rect_set_max_size(&r, &vivid_max_rect);
388 if (dev->has_scaler_out && !dev->has_crop_out) {
389 struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
391 v4l2_rect_set_max_size(&r, &max_r);
392 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
393 v4l2_rect_set_max_size(&r, &dev->sink_rect);
394 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
395 v4l2_rect_set_min_size(&r, &dev->sink_rect);
398 mp->height = r.height / factor;
401 /* This driver supports custom bytesperline values */
403 mp->num_planes = fmt->buffers;
404 for (p = 0; p < fmt->buffers; p++) {
405 /* Calculate the minimum supported bytesperline value */
406 bytesperline = (mp->width * fmt->bit_depth[p]) >> 3;
407 /* Calculate the maximum supported bytesperline value */
408 max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[p]) >> 3;
410 if (pfmt[p].bytesperline > max_bpl)
411 pfmt[p].bytesperline = max_bpl;
412 if (pfmt[p].bytesperline < bytesperline)
413 pfmt[p].bytesperline = bytesperline;
415 pfmt[p].sizeimage = (pfmt[p].bytesperline * mp->height) /
416 fmt->vdownsampling[p] + fmt->data_offset[p];
418 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
420 for (p = fmt->buffers; p < fmt->planes; p++)
421 pfmt[0].sizeimage += (pfmt[0].bytesperline * mp->height *
422 (fmt->bit_depth[p] / fmt->vdownsampling[p])) /
423 (fmt->bit_depth[0] / fmt->vdownsampling[0]);
425 mp->xfer_func = V4L2_XFER_FUNC_DEFAULT;
426 mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
427 mp->quantization = V4L2_QUANTIZATION_DEFAULT;
428 if (vivid_is_svid_out(dev)) {
429 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
430 } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
431 mp->colorspace = V4L2_COLORSPACE_SRGB;
433 mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
434 } else if (bt->width == 720 && bt->height <= 576) {
435 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
436 } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
437 mp->colorspace != V4L2_COLORSPACE_REC709 &&
438 mp->colorspace != V4L2_COLORSPACE_OPRGB &&
439 mp->colorspace != V4L2_COLORSPACE_BT2020 &&
440 mp->colorspace != V4L2_COLORSPACE_SRGB) {
441 mp->colorspace = V4L2_COLORSPACE_REC709;
443 memset(mp->reserved, 0, sizeof(mp->reserved));
447 int vivid_s_fmt_vid_out(struct file *file, void *priv,
448 struct v4l2_format *f)
450 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
451 struct vivid_dev *dev = video_drvdata(file);
452 struct v4l2_rect *crop = &dev->crop_out;
453 struct v4l2_rect *compose = &dev->compose_out;
454 struct vb2_queue *q = &dev->vb_vid_out_q;
455 int ret = vivid_try_fmt_vid_out(file, priv, f);
462 if (vb2_is_busy(q) &&
463 (vivid_is_svid_out(dev) ||
464 mp->width != dev->fmt_out_rect.width ||
465 mp->height != dev->fmt_out_rect.height ||
466 mp->pixelformat != dev->fmt_out->fourcc ||
467 mp->field != dev->field_out)) {
468 dprintk(dev, 1, "%s device busy\n", __func__);
473 * Allow for changing the colorspace on the fly. Useful for testing
474 * purposes, and it is something that HDMI transmitters are able
480 dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
481 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
484 if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
485 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
487 if (dev->has_scaler_out) {
488 if (dev->has_crop_out)
489 v4l2_rect_map_inside(crop, &r);
492 if (dev->has_compose_out && !dev->has_crop_out) {
493 struct v4l2_rect min_r = {
496 factor * r.height / MAX_ZOOM
498 struct v4l2_rect max_r = {
501 factor * r.height * MAX_ZOOM
504 v4l2_rect_set_min_size(compose, &min_r);
505 v4l2_rect_set_max_size(compose, &max_r);
506 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
507 } else if (dev->has_compose_out) {
508 struct v4l2_rect min_r = {
510 crop->width / MAX_ZOOM,
511 factor * crop->height / MAX_ZOOM
513 struct v4l2_rect max_r = {
515 crop->width * MAX_ZOOM,
516 factor * crop->height * MAX_ZOOM
519 v4l2_rect_set_min_size(compose, &min_r);
520 v4l2_rect_set_max_size(compose, &max_r);
521 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
523 } else if (dev->has_compose_out && !dev->has_crop_out) {
524 v4l2_rect_set_size_to(crop, &r);
526 v4l2_rect_set_size_to(compose, &r);
527 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
528 } else if (!dev->has_compose_out) {
529 v4l2_rect_map_inside(crop, &r);
531 v4l2_rect_set_size_to(compose, &r);
534 v4l2_rect_set_max_size(compose, &r);
535 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
537 crop->height *= factor;
538 v4l2_rect_set_size_to(crop, compose);
539 v4l2_rect_map_inside(crop, &r);
541 crop->height /= factor;
544 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
546 v4l2_rect_set_size_to(crop, &r);
548 v4l2_rect_set_size_to(compose, &r);
551 dev->fmt_out_rect.width = mp->width;
552 dev->fmt_out_rect.height = mp->height;
553 for (p = 0; p < mp->num_planes; p++)
554 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
555 for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
556 dev->bytesperline_out[p] =
557 (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
558 dev->fmt_out->bit_depth[0];
559 dev->field_out = mp->field;
560 if (vivid_is_svid_out(dev))
561 dev->tv_field_out = mp->field;
564 dev->colorspace_out = mp->colorspace;
565 dev->xfer_func_out = mp->xfer_func;
566 dev->ycbcr_enc_out = mp->ycbcr_enc;
567 dev->quantization_out = mp->quantization;
568 if (dev->loop_video) {
569 vivid_send_source_change(dev, SVID);
570 vivid_send_source_change(dev, HDMI);
575 int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv,
576 struct v4l2_format *f)
578 struct vivid_dev *dev = video_drvdata(file);
580 if (!dev->multiplanar)
582 return vivid_g_fmt_vid_out(file, priv, f);
585 int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
586 struct v4l2_format *f)
588 struct vivid_dev *dev = video_drvdata(file);
590 if (!dev->multiplanar)
592 return vivid_try_fmt_vid_out(file, priv, f);
595 int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv,
596 struct v4l2_format *f)
598 struct vivid_dev *dev = video_drvdata(file);
600 if (!dev->multiplanar)
602 return vivid_s_fmt_vid_out(file, priv, f);
605 int vidioc_g_fmt_vid_out(struct file *file, void *priv,
606 struct v4l2_format *f)
608 struct vivid_dev *dev = video_drvdata(file);
610 if (dev->multiplanar)
612 return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out);
615 int vidioc_try_fmt_vid_out(struct file *file, void *priv,
616 struct v4l2_format *f)
618 struct vivid_dev *dev = video_drvdata(file);
620 if (dev->multiplanar)
622 return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out);
625 int vidioc_s_fmt_vid_out(struct file *file, void *priv,
626 struct v4l2_format *f)
628 struct vivid_dev *dev = video_drvdata(file);
630 if (dev->multiplanar)
632 return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
635 int vivid_vid_out_g_selection(struct file *file, void *priv,
636 struct v4l2_selection *sel)
638 struct vivid_dev *dev = video_drvdata(file);
640 if (!dev->has_crop_out && !dev->has_compose_out)
642 if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
645 sel->r.left = sel->r.top = 0;
646 switch (sel->target) {
647 case V4L2_SEL_TGT_CROP:
648 if (!dev->has_crop_out)
650 sel->r = dev->crop_out;
652 case V4L2_SEL_TGT_CROP_DEFAULT:
653 if (!dev->has_crop_out)
655 sel->r = dev->fmt_out_rect;
657 case V4L2_SEL_TGT_CROP_BOUNDS:
658 if (!dev->has_crop_out)
660 sel->r = vivid_max_rect;
662 case V4L2_SEL_TGT_COMPOSE:
663 if (!dev->has_compose_out)
665 sel->r = dev->compose_out;
667 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
668 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
669 if (!dev->has_compose_out)
671 sel->r = dev->sink_rect;
679 int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
681 struct vivid_dev *dev = video_drvdata(file);
682 struct v4l2_rect *crop = &dev->crop_out;
683 struct v4l2_rect *compose = &dev->compose_out;
684 unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
687 if (!dev->has_crop_out && !dev->has_compose_out)
689 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
693 case V4L2_SEL_TGT_CROP:
694 if (!dev->has_crop_out)
696 ret = vivid_vid_adjust_sel(s->flags, &s->r);
699 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
700 v4l2_rect_set_max_size(&s->r, &dev->fmt_out_rect);
701 if (dev->has_scaler_out) {
702 struct v4l2_rect max_rect = {
704 dev->sink_rect.width * MAX_ZOOM,
705 (dev->sink_rect.height / factor) * MAX_ZOOM
708 v4l2_rect_set_max_size(&s->r, &max_rect);
709 if (dev->has_compose_out) {
710 struct v4l2_rect min_rect = {
712 s->r.width / MAX_ZOOM,
713 (s->r.height * factor) / MAX_ZOOM
715 struct v4l2_rect max_rect = {
717 s->r.width * MAX_ZOOM,
718 (s->r.height * factor) * MAX_ZOOM
721 v4l2_rect_set_min_size(compose, &min_rect);
722 v4l2_rect_set_max_size(compose, &max_rect);
723 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
725 } else if (dev->has_compose_out) {
727 s->r.height *= factor;
728 v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
729 v4l2_rect_set_size_to(compose, &s->r);
730 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
732 s->r.height /= factor;
734 v4l2_rect_set_size_to(&s->r, &dev->sink_rect);
735 s->r.height /= factor;
737 v4l2_rect_map_inside(&s->r, &dev->fmt_out_rect);
740 case V4L2_SEL_TGT_COMPOSE:
741 if (!dev->has_compose_out)
743 ret = vivid_vid_adjust_sel(s->flags, &s->r);
746 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
747 v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
748 v4l2_rect_map_inside(&s->r, &dev->compose_bounds_out);
750 s->r.height /= factor;
751 if (dev->has_scaler_out) {
752 struct v4l2_rect fmt = dev->fmt_out_rect;
753 struct v4l2_rect max_rect = {
755 s->r.width * MAX_ZOOM,
756 s->r.height * MAX_ZOOM
758 struct v4l2_rect min_rect = {
760 s->r.width / MAX_ZOOM,
761 s->r.height / MAX_ZOOM
764 v4l2_rect_set_min_size(&fmt, &min_rect);
765 if (!dev->has_crop_out)
766 v4l2_rect_set_max_size(&fmt, &max_rect);
767 if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
768 vb2_is_busy(&dev->vb_vid_out_q))
770 if (dev->has_crop_out) {
771 v4l2_rect_set_min_size(crop, &min_rect);
772 v4l2_rect_set_max_size(crop, &max_rect);
774 dev->fmt_out_rect = fmt;
775 } else if (dev->has_crop_out) {
776 struct v4l2_rect fmt = dev->fmt_out_rect;
778 v4l2_rect_set_min_size(&fmt, &s->r);
779 if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
780 vb2_is_busy(&dev->vb_vid_out_q))
782 dev->fmt_out_rect = fmt;
783 v4l2_rect_set_size_to(crop, &s->r);
784 v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
786 if (!v4l2_rect_same_size(&s->r, &dev->fmt_out_rect) &&
787 vb2_is_busy(&dev->vb_vid_out_q))
789 v4l2_rect_set_size_to(&dev->fmt_out_rect, &s->r);
790 v4l2_rect_set_size_to(crop, &s->r);
791 crop->height /= factor;
792 v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
795 s->r.height *= factor;
796 if (dev->bitmap_out && (compose->width != s->r.width ||
797 compose->height != s->r.height)) {
798 vfree(dev->bitmap_out);
799 dev->bitmap_out = NULL;
810 int vivid_vid_out_g_pixelaspect(struct file *file, void *priv,
811 int type, struct v4l2_fract *f)
813 struct vivid_dev *dev = video_drvdata(file);
815 if (type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
818 switch (vivid_get_pixel_aspect(dev)) {
819 case TPG_PIXEL_ASPECT_NTSC:
823 case TPG_PIXEL_ASPECT_PAL:
833 int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
834 struct v4l2_format *f)
836 struct vivid_dev *dev = video_drvdata(file);
837 const struct v4l2_rect *compose = &dev->compose_out;
838 struct v4l2_window *win = &f->fmt.win;
839 unsigned clipcount = win->clipcount;
843 win->w.top = dev->overlay_out_top;
844 win->w.left = dev->overlay_out_left;
845 win->w.width = compose->width;
846 win->w.height = compose->height;
847 win->clipcount = dev->clipcount_out;
848 win->field = V4L2_FIELD_ANY;
849 win->chromakey = dev->chromakey_out;
850 win->global_alpha = dev->global_alpha_out;
851 if (clipcount > dev->clipcount_out)
852 clipcount = dev->clipcount_out;
853 if (dev->bitmap_out == NULL)
855 else if (win->bitmap) {
856 if (copy_to_user(win->bitmap, dev->bitmap_out,
857 ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
860 if (clipcount && win->clips) {
861 if (copy_to_user(win->clips, dev->clips_out,
862 clipcount * sizeof(dev->clips_out[0])))
868 int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
869 struct v4l2_format *f)
871 struct vivid_dev *dev = video_drvdata(file);
872 const struct v4l2_rect *compose = &dev->compose_out;
873 struct v4l2_window *win = &f->fmt.win;
878 win->w.left = clamp_t(int, win->w.left,
879 -dev->display_width, dev->display_width);
880 win->w.top = clamp_t(int, win->w.top,
881 -dev->display_height, dev->display_height);
882 win->w.width = compose->width;
883 win->w.height = compose->height;
885 * It makes no sense for an OSD to overlay only top or bottom fields,
886 * so always set this to ANY.
888 win->field = V4L2_FIELD_ANY;
889 if (win->clipcount && !win->clips)
891 if (win->clipcount > MAX_CLIPS)
892 win->clipcount = MAX_CLIPS;
893 if (win->clipcount) {
894 if (copy_from_user(dev->try_clips_out, win->clips,
895 win->clipcount * sizeof(dev->clips_out[0])))
897 for (i = 0; i < win->clipcount; i++) {
898 struct v4l2_rect *r = &dev->try_clips_out[i].c;
900 r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
901 r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
902 r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
903 r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
906 * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
907 * number and it's typically a one-time deal.
909 for (i = 0; i < win->clipcount - 1; i++) {
910 struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
912 for (j = i + 1; j < win->clipcount; j++) {
913 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
915 if (v4l2_rect_overlap(r1, r2))
919 if (copy_to_user(win->clips, dev->try_clips_out,
920 win->clipcount * sizeof(dev->clips_out[0])))
926 int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
927 struct v4l2_format *f)
929 struct vivid_dev *dev = video_drvdata(file);
930 const struct v4l2_rect *compose = &dev->compose_out;
931 struct v4l2_window *win = &f->fmt.win;
932 int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
933 unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
934 unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
935 void *new_bitmap = NULL;
941 new_bitmap = vzalloc(bitmap_size);
945 if (copy_from_user(new_bitmap, win->bitmap, bitmap_size)) {
951 dev->overlay_out_top = win->w.top;
952 dev->overlay_out_left = win->w.left;
953 vfree(dev->bitmap_out);
954 dev->bitmap_out = new_bitmap;
955 dev->clipcount_out = win->clipcount;
956 if (dev->clipcount_out)
957 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
958 dev->chromakey_out = win->chromakey;
959 dev->global_alpha_out = win->global_alpha;
963 int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
965 struct vivid_dev *dev = video_drvdata(file);
967 if (i && !dev->fmt_out->can_do_overlay) {
968 dprintk(dev, 1, "unsupported output format for output overlay\n");
972 dev->overlay_out_enabled = i;
976 int vivid_vid_out_g_fbuf(struct file *file, void *fh,
977 struct v4l2_framebuffer *a)
979 struct vivid_dev *dev = video_drvdata(file);
981 a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
982 V4L2_FBUF_CAP_BITMAP_CLIPPING |
983 V4L2_FBUF_CAP_LIST_CLIPPING |
984 V4L2_FBUF_CAP_CHROMAKEY |
985 V4L2_FBUF_CAP_SRC_CHROMAKEY |
986 V4L2_FBUF_CAP_GLOBAL_ALPHA |
987 V4L2_FBUF_CAP_LOCAL_ALPHA |
988 V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
989 a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
990 a->base = (void *)dev->video_pbase;
991 a->fmt.width = dev->display_width;
992 a->fmt.height = dev->display_height;
993 if (dev->fb_defined.green.length == 5)
994 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
996 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
997 a->fmt.bytesperline = dev->display_byte_stride;
998 a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
999 a->fmt.field = V4L2_FIELD_NONE;
1000 a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
1005 int vivid_vid_out_s_fbuf(struct file *file, void *fh,
1006 const struct v4l2_framebuffer *a)
1008 struct vivid_dev *dev = video_drvdata(file);
1009 const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
1010 V4L2_FBUF_FLAG_SRC_CHROMAKEY;
1011 const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
1012 V4L2_FBUF_FLAG_LOCAL_ALPHA |
1013 V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1016 if ((a->flags & chroma_flags) == chroma_flags)
1018 switch (a->flags & alpha_flags) {
1020 case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
1021 case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1022 case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1027 dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1028 dev->fbuf_out_flags |= a->flags & (chroma_flags | alpha_flags);
1032 static const struct v4l2_audioout vivid_audio_outputs[] = {
1033 { 0, "Line-Out 1" },
1034 { 1, "Line-Out 2" },
1037 int vidioc_enum_output(struct file *file, void *priv,
1038 struct v4l2_output *out)
1040 struct vivid_dev *dev = video_drvdata(file);
1042 if (out->index >= dev->num_outputs)
1045 out->type = V4L2_OUTPUT_TYPE_ANALOG;
1046 switch (dev->output_type[out->index]) {
1048 snprintf(out->name, sizeof(out->name), "S-Video %u",
1049 dev->output_name_counter[out->index]);
1050 out->std = V4L2_STD_ALL;
1051 if (dev->has_audio_outputs)
1052 out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1053 out->capabilities = V4L2_OUT_CAP_STD;
1056 snprintf(out->name, sizeof(out->name), "HDMI %u",
1057 dev->output_name_counter[out->index]);
1058 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1064 int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1066 struct vivid_dev *dev = video_drvdata(file);
1072 int vidioc_s_output(struct file *file, void *priv, unsigned o)
1074 struct vivid_dev *dev = video_drvdata(file);
1076 if (o >= dev->num_outputs)
1079 if (o == dev->output)
1082 if (vb2_is_busy(&dev->vb_vid_out_q) ||
1083 vb2_is_busy(&dev->vb_vbi_out_q) ||
1084 vb2_is_busy(&dev->vb_meta_out_q))
1088 dev->tv_audio_output = 0;
1089 if (dev->output_type[o] == SVID)
1090 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1092 dev->vid_out_dev.tvnorms = 0;
1094 dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1095 dev->meta_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1096 vivid_update_format_out(dev);
1098 v4l2_ctrl_activate(dev->ctrl_display_present, vivid_is_hdmi_out(dev));
1099 if (vivid_is_hdmi_out(dev))
1100 v4l2_ctrl_s_ctrl(dev->ctrl_display_present,
1101 dev->display_present[dev->output]);
1106 int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1108 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1110 *vout = vivid_audio_outputs[vout->index];
1114 int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
1116 struct vivid_dev *dev = video_drvdata(file);
1118 if (!vivid_is_svid_out(dev))
1120 *vout = vivid_audio_outputs[dev->tv_audio_output];
1124 int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1126 struct vivid_dev *dev = video_drvdata(file);
1128 if (!vivid_is_svid_out(dev))
1130 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1132 dev->tv_audio_output = vout->index;
1136 int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1138 struct vivid_dev *dev = video_drvdata(file);
1140 if (!vivid_is_svid_out(dev))
1142 if (dev->std_out == id)
1144 if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1147 vivid_update_format_out(dev);
1151 static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1153 struct v4l2_bt_timings *bt = &timings->bt;
1155 if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) &&
1156 v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL))
1162 int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1163 struct v4l2_dv_timings *timings)
1165 struct vivid_dev *dev = video_drvdata(file);
1166 if (!vivid_is_hdmi_out(dev))
1168 if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1170 !valid_cvt_gtf_timings(timings))
1172 if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0, true))
1174 if (vb2_is_busy(&dev->vb_vid_out_q))
1176 dev->dv_timings_out = *timings;
1177 vivid_update_format_out(dev);
1181 int vivid_vid_out_g_parm(struct file *file, void *priv,
1182 struct v4l2_streamparm *parm)
1184 struct vivid_dev *dev = video_drvdata(file);
1186 if (parm->type != (dev->multiplanar ?
1187 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1188 V4L2_BUF_TYPE_VIDEO_OUTPUT))
1191 parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1192 parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1193 parm->parm.output.writebuffers = 1;
1198 int vidioc_subscribe_event(struct v4l2_fh *fh,
1199 const struct v4l2_event_subscription *sub)
1201 switch (sub->type) {
1202 case V4L2_EVENT_SOURCE_CHANGE:
1203 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1204 return v4l2_src_change_event_subscribe(fh, sub);
1207 return v4l2_ctrl_subscribe_event(fh, sub);